业务逻辑未知，但至少可以从语法上精简：

static void Main(string[] args){Transform tsf = ListCube[0].transform;double y1 = tsf.position.y;double z = circle.localEulerAngles.z;Vector3 vec;if (flag){if (y1 < Empty_Up.position.y && tsf.position.x > -1)vec = new Vector3(0, 0, z);elsevec = new Vector3(0, 0, z + detal);}else{if (y1 < Empty_Up.position.y)vec = new Vector3(0, 0, z);elsevec = new Vector3(0, 0, z + detal);}circle.localEulerAngles = vec;}